20010100011211 has 2 divisors, whose sum is σ = 20010100011212. Its totient is φ = 20010100011210.

The previous prime is 20010100011179. The next prime is 20010100011233. The reversal of 20010100011211 is 11211000101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010100011211 - 2⁵ = 20010100011179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010100021211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005050005605 + 10005050005606.

It is an arithmetic number, because the mean of its divisors is an integer number (10005050005606).

Almost surely, 2^{20010100011211} is an apocalyptic number.

20010100011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010100011211 is an equidigital number, since it uses as much as digits as its factorization.

20010100011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20010100011211 its reverse (11211000101002), we get a palindrome (31221100112213).

The spelling of 20010100011211 in words is "twenty trillion, ten billion, one hundred million, eleven thousand, two hundred eleven".